2. amps-preamps
  3. 174711-30411

CLASS D MONO AMPS buy ATMASPHERE MUSIC SYSTEMS

CLASS D AMPLIFIER TECHNOLOGY HAS FINALLY ARRIVED TO OUTPERFORM ALL OTHER TOPOLOGIES 

The Amplifier is the New Class D Mono Amps using GaN Fets in a unique Patented
Circlotronic output stage…Design by Ralph Karsten of ATMASPHERE MUSIC SYSTEMS 

Rated at 100 watts 8 ohms and 200 watts 4 ohms with low distortion across the full audio bandwidth with excellent noise characteristics 

I have been using ATMASPHERE MUSIC SYSTEMS MA-1 3.0 with all factory upgrades along with NOS 6NS7 Input Tubes for many years 

The New ATMASPHERE MUSIC SYSTEMS CLASS D has outperformed my MA-1 3.0 in all areas…the resolution and transparency are simply an Amazing Accomplishment

Also I sold my MP-3 mk 3.0 and purchased the New MP-3 mk3.3

In my Audio opinion I believe the ATMASPHERE MUSIC SYSTEMS CLASS D MONO AMPS used with the MP-3 mk3.3 will offer one of the most transparent sounding electronics combinations to date…only using the MP-1 mk3.3 will offer more performance 

I have used other High End Amplifiers in my system and the ATMASPHERE MUSIC SYSTEMS CLASS D MONO AMPS outperformed all of them as well

Music Lover…Audiophile…Retired Audio/Video Engineer over 45 years 

Thanks for Reading 

TubeGuy 45

tubeguy45
snapsc
674 posts
 

The photo posted by dill looks just like the Atmasphere class d amps at the Florida Audio Expo in the Unique Audio room. 
 

https://www.audiocircle.com/index.php?topic=180725.new#new

kuribo
524 posts
 

Switching Speed is the juice

Possibly but this atmosphere class d GaN amp actually has a lower switch frequency than most mosfet class d amps on the market, so I find this comment irrelevant to this discussion. And, other than a Technics GaN amp that came out over a year ago, none of the present GaN based class d amps have a switching frequency materially higher than most mosfet class d amps on the market. So, a claimed major benefit of GaN technology for class d amps, a higher switching frequency, is in fact not even being exploited.

 

 

mofojo
2,286 posts
 

Has the price been mentioned yet? I just kind of skimmed through the posts and didn’t see it. 

ricevs
1,543 posts
 

There are two "speed issues". One is the switching frequency (400K to 1.5Meg) and the other is the speed of the output device. GaN transistors are faster and have less overshoot and ringing than mosfets so therefore have less intrinsic dead time. Which of these to "speeds" make a sonic difference? Some people claim both do....some claim only one does....some claim that 500K mosfet switching is fine. If you could take an amp with mosfets and change it to GaNs and listen without changing anything then you might know about the intrinsic speed. If you take an amp and raise its switching frequency without changing anything else then you might know about that. If these sonic tests are not done then you are just guessing..

audioquest4life
764 posts
 

I don’t understand the title: Class D amps buy atmasphere…it appears to read as if Class D purchased Atmasphere.  If it is supposed to be “by Atmasphere” instead of buy, then I get it. 
 

On the current state of sound regarding Atmasphere OTL amps. I attended the Florida Audio show for a few days and listened to the Novacron and new McIntosh Mc3500 driving the Classic Audio Loudspeaker T1.5 reference. The sheer dynamics of music were easily reproduced by using the Novacron mono amps. The bass was quick, solid, and deep. The rest of the audio frequency spectrum sounded just right without any noticeable negative aberrations in sound quality. It was just right and pure. I also thought the Novacron sounded more natural, well,organic, compared to the 3500, but that was not a direct A/B test. My takeaway is that the Atmasphere OTL Novacron is an incredible amp. 
 

It will be interesting to hear industry and consumer feedback regarding the new Atmasphere Class D amps. 
 


 

 

More to discover